A mysterious odor in Clinton is under investigation by the Illinois Environmental Protection Agency. 

In an email, the EPA acknowledged they had received complaints of an odor described as something dead or decaying.

A concerned listener to Regional Radio tells us an official with EPA stopped them this week investigating the odor. 

We'll have more on this story as details become available. 

Concerned residents can contact the DeWitt County Emergency Management Agency at 217-935-7790.